An ironclad was a steam-propelled warship protected by steel or iron armor constructed from 1859 to the early 1890s. The ironclad was developed as a result of the vulnerability of wooden warships to explosive or incendiary shells. The first ironclad battleship, Gloire, was launched by the French Navy in November 1859, narrowly preempting the British Royal Navy. However, Britain built the first completely iron-hulled warships.
HMS Invincible was a Royal Navy Audacious-class ironclad battleship. She was built at the Napier shipyard and completed in 1870. Completed just 10 years after HMS Warrior, she still carried sails as well as a steam engine.
The fourth HMS Colossus was a Colossus class second-class British battleship, launched in 1882 and commissioned in 1886. She had a displacement of 9,520 tons, and an armament of 4 × 12-inch breechloaders, 5 × 6-inch guns and had a respectable speed of 15.5 knots.
Pre-dreadnought battleships were sea-going battleships built from the mid- to late- 1880s to the early 1900s. Their designs were conceived before the appearance of HMS Dreadnought in 1906 and their classification as "pre-dreadnought" is retrospectively applied. In their day, they were simply known as "battleships" or else more rank-specific terms such as "first-class battleship" and so forth. The pre-dreadnought battleships were the pre-eminent warships of their time and replaced the ironclad battleships of the 1870s and 1880s.
HMS Audacious was the lead ship of the Audacious-class ironclads built for the Royal Navy in the late 1860s. They were designed as second-class ironclads suitable for use on foreign stations and the ship spent the bulk of her career on the China Station. She was decommissioned in 1894 and hulked in 1902 for use as a training ship. The ship was towed to Scapa Flow after the beginning of the First World War to be used as a receiving ship and then to Rosyth after the war ended. Audacious was sold for scrap in 1929.
HMS Research was a small ironclad warship, converted from a wooden-hulled sloop and intended as an experimental platform in which to try out new concepts in armament and in armour. She was launched in 1863, laid up in 1878 and sold for breaking in 1884, having displayed serious limitations as a warship.
HMS Pallas was a purpose-built wooden-hulled ironclad of the Royal Navy, designed as a private venture by Sir Edward Reed, and accepted by the Board of Admiralty because, as an economy measure, they wished to use up the stocks of seasoned timber held in the Woolwich Dockyard. The fact that Woolwich was not equipped to build iron ships was also relevant.
HMS Bellerophon was a central battery ironclad built for the Royal Navy in the mid-1860s.
HMS Hercules was a central-battery ironclad of the Royal Navy in the Victorian era, and was the first warship to mount a main armament of 10-inch (250 mm) calibre guns.
HMS Monarch was the first seagoing British warship to carry her guns in turrets, and the first British warship to carry guns of 12-inch (300 mm) calibre.
The Audacious-class ironclad battleships were designed by Sir Edward Reed at the request of the Board of Admiralty to serve as second-class battleships on distant foreign stations.
HMS Alexandra was a central battery ironclad of the Victorian Royal Navy, whose seagoing career was from 1877 to 1900. She spent much of her career as a flagship, and took part in operations to deter the Russian Empire's aggression against the Ottoman Empire in 1878 and the bombardment of Alexandria in 1882. She was affectionately known by her crew as Old Alex.
HMS Temeraire was an ironclad battleship of the Victorian Royal Navy which was unique in that she carried her main armament partly in the traditional broadside battery, and partly in barbettes on the upper deck.
HMS Collingwood was the lead ship of her class of ironclad battleships built for the Royal Navy during the 1880s. The ship's essential design became the standard for most of the following British battleships. Completed in 1887, she spent the next two years in reserve before she was assigned to the Mediterranean Fleet for the next eight years. After returning home in 1897, the ship spent the next six years as a guardship in Ireland. Collingwood was not significantly damaged during an accidental collision in 1899 and was paid off four years later. The ship was sold for scrap in 1909 and subsequently broken up.
HMS Howe was an Admiral-class ironclad battleship built for the Royal Navy during the 1880s. The ship was assigned to the Channel Fleet in mid-1890 and was badly damaged when she ran aground in late 1892. After repairs were completed, Howe was transferred to the Mediterranean Fleet in late 1893. She returned home in late 1896 and became a guardship in Ireland. Howe remained there until late 1901 when she was assigned to the Reserve Fleet. The ship was paid off in three years later and then sold for scrap in 1910.
HMS Anson was the last of six Admiral-class ironclad battleships built for the Royal Navy during the 1880s. The ship was completed, except for her armament, in 1887, but had to wait two years for her guns to be installed. She was assigned to the Channel Fleet in mid-1889 as a flagship for the fleet's second-in-command. Two years later, the passenger ship SS Utopia sank with the loss of 562 lives after colliding with Anson in the Bay of Gibraltar. In mid-1893, Anson was transferred to the Mediterranean Fleet, subsequently returning home in 1900 when she was assigned to the Reserve Fleet. She recommissioned for the Home Fleet in early 1901. Anson was paid off three years later and then sold for scrap in 1909.
HMS Nile was one of two Trafalgar-class ironclad battleships built for the Royal Navy during the 1880s. Late deliveries of her main guns delayed her commissioning until 1891 and she spent most of the decade with the Mediterranean Fleet. Nile returned home in 1898 and became the coast guard ship at Devonport for five years before she was placed in reserve in 1903. The ship was sold for scrap in 1912 and broken up at Swansea, Wales.
HMS Revenge was one of seven Royal Sovereign-class pre-dreadnought battleships built for the Royal Navy during the 1890s. She spent much of her early career as a flagship for the Flying Squadron and in the Mediterranean, Home and Channel Fleets. Revenge was assigned to the International Squadron blockading Crete during the 1897–1898 revolt there against the Ottoman Empire. She was placed in reserve upon her return home in 1900, and was then briefly assigned as a coast guard ship before she joined the Home Fleet in 1902. The ship became a gunnery training ship in 1906 until she was paid off in 1913.
HMS Repulse was one of seven Royal Sovereign-class pre-dreadnought battleships built for the Royal Navy in the 1890s. Assigned to the Channel Fleet, where she often served as a flagship, after commissioning in 1894, the ship participated in a series of annual manoeuvres, and the Queen Victoria's Diamond Jubilee Fleet Review during the rest of the decade. Repulse was transferred to the Mediterranean Fleet in 1902 and remained there until December 1903, when she returned home for an extensive refit. After its completion in 1905, Repulse was assigned to the Reserve Fleet until she was sold for scrap in 1911.
HMS Empress of India was one of seven Royal Sovereign-class pre-dreadnought battleships built for the Royal Navy during the 1890s. The ship was commissioned in 1893 and served as the flagship of the second-in-command of the Channel Fleet for two years. She was transferred to the Mediterranean Fleet in 1897, during which time Empress of India was assigned to the International Squadron blockading Crete during the uprising there. She returned home in 1901 and was briefly assigned as a coast guard ship in Ireland before she became the second flagship of the Home Fleet. The ship was reduced to reserve in 1905 and accidentally collided with the submarine HMS A10 the following year. Empress of India was taken out of service in early 1912 and accidentally struck a German sailing ship while under tow. She was sunk as a target ship in 1913.
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